{"title":"Duramax Heads","description":"","products":[{"product_id":"industrial-injection-lb7-duramax-stock-remanufactured-heads-2001-2004","title":"Industrial Injection 2001-2004 LB7 Duramax Premium Stock Plus Cylinder Heads (RH \u0026 LH Set)","description":"\u003ch2 data-section-id=\"rrrtu\" data-start=\"0\" data-end=\"71\"\u003e2001-2004 LB7 Duramax Premium Stock Plus Cylinder Heads (RH \u0026amp; LH Set)\u003c\/h2\u003e\n\u003cp data-start=\"73\" data-end=\"384\"\u003eRestore factory performance and long-term reliability to your 2001–2004 LB7 Duramax 6.6L with these stock remanufactured cylinder heads. Built to OE specifications and professionally remanufactured, these heads are designed to provide dependable performance for stock rebuilds and mild performance applications.\u003c\/p\u003e\n\u003cp data-start=\"386\" data-end=\"701\"\u003eEach cylinder head is thoroughly inspected, pressure tested, cleaned, and precision machined to ensure proper sealing, airflow, and durability. Whether you're replacing worn or damaged cylinder heads or refreshing your engine during a rebuild, these Premium Stock Plus heads offer a reliable solution built to last.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"703\" data-end=\"718\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"720\" data-end=\"1148\"\u003e\n\u003cli data-section-id=\"gxab7s\" data-start=\"720\" data-end=\"769\"\u003eStock remanufactured LB7 Duramax cylinder heads\u003c\/li\u003e\n\u003cli data-section-id=\"1t46kex\" data-start=\"770\" data-end=\"818\"\u003eFully cleaned, pressure tested, and resurfaced\u003c\/li\u003e\n\u003cli data-section-id=\"1ltch6t\" data-start=\"819\" data-end=\"847\"\u003eDiamond honed valve guides\u003c\/li\u003e\n\u003cli data-section-id=\"1dr62wj\" data-start=\"848\" data-end=\"888\"\u003eUnshrouded valves for improved airflow\u003c\/li\u003e\n\u003cli data-section-id=\"15dehmv\" data-start=\"889\" data-end=\"942\"\u003eHigh-strength, heat-treated iron-based valve guides\u003c\/li\u003e\n\u003cli data-section-id=\"1k9ftue\" data-start=\"943\" data-end=\"998\"\u003ePremium nickel-based, non-magnetic valve seat inserts\u003c\/li\u003e\n\u003cli data-section-id=\"15kpiw2\" data-start=\"999\" data-end=\"1022\"\u003eMulti-angle valve job\u003c\/li\u003e\n\u003cli data-section-id=\"iy619a\" data-start=\"1023\" data-end=\"1052\"\u003eNew valve springs installed\u003c\/li\u003e\n\u003cli data-section-id=\"18x98y1\" data-start=\"1053\" data-end=\"1091\"\u003eAssembled and ready for installation\u003c\/li\u003e\n\u003cli data-section-id=\"nt105g\" data-start=\"1092\" data-end=\"1148\"\u003eIdeal for stock replacement or mild performance builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1sicby0\" data-start=\"1150\" data-end=\"1195\"\u003ePremium Stock Plus Remanufacturing Process\u003c\/h2\u003e\n\u003cp data-start=\"1197\" data-end=\"1550\"\u003eEvery Premium Stock Plus cylinder head is professionally remanufactured using strict quality control standards. Each casting is thoroughly inspected, pressure tested, resurfaced, and machined to restore proper sealing and performance. Critical valvetrain components are renewed or upgraded as needed to ensure long service life and dependable operation.\u003c\/p\u003e\n\u003cp data-start=\"1552\" data-end=\"1713\"\u003eThe result is a cylinder head that delivers OE-style performance and reliability while incorporating premium machining processes designed to maximize durability.\u003c\/p\u003e\n\u003ch2 data-section-id=\"w3a6bn\" data-start=\"1715\" data-end=\"1733\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul data-start=\"1735\" data-end=\"1824\"\u003e\n\u003cli data-section-id=\"196q6i6\" data-start=\"1735\" data-end=\"1785\"\u003eLeft and right remanufactured LB7 cylinder heads\u003c\/li\u003e\n\u003cli data-section-id=\"e4wuim\" data-start=\"1786\" data-end=\"1824\"\u003eFully assembled and ready to install\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1nimoq0\" data-start=\"1826\" data-end=\"1841\"\u003eNot Included\u003c\/h2\u003e\n\u003cul data-start=\"1843\" data-end=\"1901\"\u003e\n\u003cli data-section-id=\"lx4jn8\" data-start=\"1843\" data-end=\"1852\"\u003eGaskets\u003c\/li\u003e\n\u003cli data-section-id=\"x9gt8m\" data-start=\"1853\" data-end=\"1865\"\u003eHead bolts\u003c\/li\u003e\n\u003cli data-section-id=\"1lu5vrt\" data-start=\"1866\" data-end=\"1877\"\u003eInjectors\u003c\/li\u003e\n\u003cli data-section-id=\"so4k5m\" data-start=\"1878\" data-end=\"1901\"\u003eInstallation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"16q3upg\" data-start=\"1903\" data-end=\"1921\"\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp data-start=\"1923\" data-end=\"1956\"\u003e\u003cstrong data-start=\"1923\" data-end=\"1956\"\u003e2001–2004 GM Duramax LB7 6.6L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1958\" data-end=\"2055\"\u003e\n\u003cli data-section-id=\"1wnuqau\" data-start=\"1958\" data-end=\"1986\"\u003eChevrolet Silverado 2500HD\u003c\/li\u003e\n\u003cli data-section-id=\"1usqkuf\" data-start=\"1987\" data-end=\"2015\"\u003eChevrolet Silverado 3500HD\u003c\/li\u003e\n\u003cli data-section-id=\"e3gwhg\" data-start=\"2016\" data-end=\"2035\"\u003eGMC Sierra 2500HD\u003c\/li\u003e\n\u003cli data-section-id=\"c8cr11\" data-start=\"2036\" data-end=\"2055\"\u003eGMC Sierra 3500HD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"18jnk49\" data-start=\"2057\" data-end=\"2093\"\u003eWhy Choose These LB7 Reman Heads?\u003c\/h2\u003e\n\u003cul data-start=\"2095\" data-end=\"2348\"\u003e\n\u003cli data-section-id=\"3ouvq3\" data-start=\"2095\" data-end=\"2133\"\u003eOE-style performance and reliability\u003c\/li\u003e\n\u003cli data-section-id=\"en6gip\" data-start=\"2134\" data-end=\"2185\"\u003eProfessionally remanufactured and quality checked\u003c\/li\u003e\n\u003cli data-section-id=\"2lub0w\" data-start=\"2186\" data-end=\"2229\"\u003ePremium machining and valve seat upgrades\u003c\/li\u003e\n\u003cli data-section-id=\"17wimcx\" data-start=\"2230\" data-end=\"2292\"\u003eIdeal for stock replacement or preventative engine refreshes\u003c\/li\u003e\n\u003cli data-section-id=\"13iducf\" data-start=\"2293\" data-end=\"2348\"\u003eBuilt for long-term durability and dependable service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"hqrvaw\" data-start=\"2350\" data-end=\"2376\"\u003eCore Return Information\u003c\/h2\u003e\n\u003cp data-start=\"2378\" data-end=\"2416\"\u003eSold as a matched left and right pair.\u003c\/p\u003e\n\u003cp data-start=\"2418\" data-end=\"2629\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eTo receive full core credit, a good, reusable pair of LB7 cylinder heads must be returned. Cores must be free of cracks, excessive warping, or severe damage. Core returns are required within 90 days of purchase.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":39952133423238,"sku":"PDM-LB7SH","price":1749.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/duramax_2_heads.png?v=1748457738"},{"product_id":"industrial-injection-lb7-duramax-race-heads-2001-2004","title":"Industrial Injection 2001-2004 LB7 Duramax Ported \u0026 Polished Cylinder Heads (RH \u0026 LH Set)","description":"\u003ch2 data-section-id=\"1rvw059\" data-start=\"0\" data-end=\"70\"\u003e2001-2004 LB7 Duramax Ported \u0026amp; Polished Cylinder Heads (RH \u0026amp; LH Set)\u003c\/h2\u003e\n\u003cp data-start=\"72\" data-end=\"430\"\u003eUnlock the full performance potential of your 2001–2004 LB7 Duramax 6.6L with these Industrial Injection Ported \u0026amp; Polished Cylinder Heads. Designed for high-performance applications, these fully CNC-ported heads deliver increased airflow, and enhanced power capability for racers, sled pullers, and serious performance enthusiasts.\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"786\"\u003eMachined using Industrial Injection's state-of-the-art 5-axis CNC cylinder head porting technology, each head is precision engineered to maximize airflow consistency across all ports while maintaining excellent reliability. Fully assembled and ready to install, these heads provide the airflow and durability needed to support demanding horsepower goals.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"788\" data-end=\"803\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"805\" data-end=\"1395\"\u003e\n\u003cli data-section-id=\"1927ujt\" data-start=\"805\" data-end=\"863\"\u003eFully CNC ported and polished LB7 Duramax cylinder heads\u003c\/li\u003e\n\u003cli data-section-id=\"113mh5n\" data-start=\"864\" data-end=\"933\"\u003ePrecision machined using a 5-axis CNC cylinder head porting machine\u003c\/li\u003e\n\u003cli data-section-id=\"1sw8ure\" data-start=\"934\" data-end=\"998\"\u003eCAD\/CAM software-developed port design for maximum consistency\u003c\/li\u003e\n\u003cli data-section-id=\"9yzkkm\" data-start=\"999\" data-end=\"1035\"\u003eScrew-in Torque Lock injector cups\u003c\/li\u003e\n\u003cli data-section-id=\"1ltch6t\" data-start=\"1036\" data-end=\"1064\"\u003eDiamond honed valve guides\u003c\/li\u003e\n\u003cli data-section-id=\"p6vkgd\" data-start=\"1065\" data-end=\"1106\"\u003eUnshrouded valves for increased airflow\u003c\/li\u003e\n\u003cli data-section-id=\"1l15cj4\" data-start=\"1107\" data-end=\"1166\"\u003eHigh-strength alloy, heat-treated iron-based valve guides\u003c\/li\u003e\n\u003cli data-section-id=\"1k9ftue\" data-start=\"1167\" data-end=\"1222\"\u003ePremium nickel-based, non-magnetic valve seat inserts\u003c\/li\u003e\n\u003cli data-section-id=\"15kpiw2\" data-start=\"1223\" data-end=\"1246\"\u003eMulti-angle valve job\u003c\/li\u003e\n\u003cli data-section-id=\"97ah0e\" data-start=\"1247\" data-end=\"1279\"\u003e130 lb valve springs installed\u003c\/li\u003e\n\u003cli data-section-id=\"dke0mb\" data-start=\"1280\" data-end=\"1324\"\u003eFully assembled and ready for installation\u003c\/li\u003e\n\u003cli data-section-id=\"10433si\" data-start=\"1325\" data-end=\"1395\"\u003eDesigned for racing, sled pulling, and high-performance applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1b0444q\" data-start=\"1397\" data-end=\"1431\"\u003eAdvanced CNC Porting Technology\u003c\/h2\u003e\n\u003cp data-start=\"1433\" data-end=\"1709\"\u003eEach cylinder head is machined on Industrial Injection's advanced 5-axis CNC porting equipment utilizing proprietary CAD\/CAM-developed port designs. This process ensures precise port-to-port consistency while significantly improving airflow compared to factory cylinder heads.\u003c\/p\u003e\n\u003cp data-start=\"1711\" data-end=\"2002\"\u003eThe result is increased airflow efficiency, improved combustion characteristics, and enhanced power potential throughout the RPM range. Whether you're building a competition truck or a high-horsepower street setup, these heads provide the airflow necessary to support your performance goals.\u003c\/p\u003e\n\u003ch2 data-section-id=\"w3a6bn\" data-start=\"2004\" data-end=\"2022\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul data-start=\"2024\" data-end=\"2214\"\u003e\n\u003cli data-section-id=\"fbh7t2\" data-start=\"2024\" data-end=\"2074\"\u003eRight-hand LB7 ported and polished cylinder head\u003c\/li\u003e\n\u003cli data-section-id=\"ryazgd\" data-start=\"2075\" data-end=\"2124\"\u003eLeft-hand LB7 ported and polished cylinder head\u003c\/li\u003e\n\u003cli data-section-id=\"1jloe3w\" data-start=\"2125\" data-end=\"2175\"\u003ePre-installed screw-in Torque Lock injector cups\u003c\/li\u003e\n\u003cli data-section-id=\"e4wuim\" data-start=\"2176\" data-end=\"2214\"\u003eFully assembled and ready to install\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1nimoq0\" data-start=\"2216\" data-end=\"2231\"\u003eNot Included\u003c\/h2\u003e\n\u003cul data-start=\"2233\" data-end=\"2300\"\u003e\n\u003cli data-section-id=\"lx4jn8\" data-start=\"2233\" data-end=\"2242\"\u003eGaskets\u003c\/li\u003e\n\u003cli data-section-id=\"h28llq\" data-start=\"2243\" data-end=\"2264\"\u003eHead bolts or studs\u003c\/li\u003e\n\u003cli data-section-id=\"1lu5vrt\" data-start=\"2265\" data-end=\"2276\"\u003eInjectors\u003c\/li\u003e\n\u003cli data-section-id=\"so4k5m\" data-start=\"2277\" data-end=\"2300\"\u003eInstallation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"16q3upg\" data-start=\"2302\" data-end=\"2320\"\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp data-start=\"2322\" data-end=\"2355\"\u003e\u003cstrong data-start=\"2322\" data-end=\"2355\"\u003e2001–2004 GM Duramax LB7 6.6L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2357\" data-end=\"2454\"\u003e\n\u003cli data-section-id=\"1wnuqau\" data-start=\"2357\" data-end=\"2385\"\u003eChevrolet Silverado 2500HD\u003c\/li\u003e\n\u003cli data-section-id=\"1usqkuf\" data-start=\"2386\" data-end=\"2414\"\u003eChevrolet Silverado 3500HD\u003c\/li\u003e\n\u003cli data-section-id=\"e3gwhg\" data-start=\"2415\" data-end=\"2434\"\u003eGMC Sierra 2500HD\u003c\/li\u003e\n\u003cli data-section-id=\"c8cr11\" data-start=\"2435\" data-end=\"2454\"\u003eGMC Sierra 3500HD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"15vano\" data-start=\"2456\" data-end=\"2515\"\u003eWhy Choose Industrial Injection Ported \u0026amp; Polished Heads?\u003c\/h2\u003e\n\u003cul data-start=\"2517\" data-end=\"2874\"\u003e\n\u003cli data-section-id=\"1riqutm\" data-start=\"2517\" data-end=\"2571\"\u003eFully CNC ported for maximum airflow and consistency\u003c\/li\u003e\n\u003cli data-section-id=\"sq7zus\" data-start=\"2572\" data-end=\"2633\"\u003eBuilt specifically for racing and sled pulling applications\u003c\/li\u003e\n\u003cli data-section-id=\"a2p070\" data-start=\"2634\" data-end=\"2699\"\u003ePremium valvetrain and seat components for long-term durability\u003c\/li\u003e\n\u003cli data-section-id=\"1vujffl\" data-start=\"2700\" data-end=\"2752\"\u003eIncreased airflow compared to stock cylinder heads\u003c\/li\u003e\n\u003cli data-section-id=\"10ioapl\" data-start=\"2753\" data-end=\"2801\"\u003eReady-to-install assembly saves time and labor\u003c\/li\u003e\n\u003cli data-section-id=\"14hb3ze\" data-start=\"2802\" data-end=\"2874\"\u003eManufactured and assembled by Industrial Injection performance experts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"hqrvaw\" data-start=\"2876\" data-end=\"2902\"\u003eCore Return Information\u003c\/h2\u003e\n\u003cp data-start=\"2904\" data-end=\"2952\"\u003eSold as a matched right-hand and left-hand pair.\u003c\/p\u003e\n\u003cp data-start=\"2954\" data-end=\"3165\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eTo receive full core credit, a good, reusable pair of LB7 cylinder heads must be returned. Cores must be free of cracks, excessive warping, or severe damage. Core returns are required within 90 days of purchase.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":39952133521542,"sku":"PDM-LB7RH","price":4595.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/dmax_heads.jpg?v=1773254354"},{"product_id":"lb7-duramax-stock-reman-heads-w-torque-lock-cups","title":"2001-2004 LB7 Duramax Premium Stock Plus Cylinder Heads w\/ Torque Lock Cups (RH \u0026 LH Set)","description":"\u003ch2 data-start=\"254\" data-end=\"350\"\u003e2001-2004 LB7 Duramax Premium Stock Plus Cylinder Heads w\/ Torque Lock Cups (RH \u0026amp; LH Set)\u003c\/h2\u003e\n\u003cp data-start=\"352\" data-end=\"667\"\u003eRestore factory performance and long-term reliability to your \u003cstrong data-start=\"414\" data-end=\"444\"\u003e2001–2004 LB7 Duramax 6.6L\u003c\/strong\u003e with these \u003cstrong data-start=\"456\" data-end=\"495\"\u003estock remanufactured cylinder heads\u003c\/strong\u003e, professionally upgraded with \u003cstrong data-start=\"526\" data-end=\"555\"\u003eTorque Lock injector cups\u003c\/strong\u003e to permanently address one of the LB7’s most common failure points—injector cup movement and coolant intrusion.\u003c\/p\u003e\n\u003cp data-start=\"669\" data-end=\"1076\"\u003eDesigned as a \u003cstrong data-start=\"683\" data-end=\"713\"\u003edirect bolt-on replacement\u003c\/strong\u003e, these remanufactured Duramax heads are rebuilt to \u003cstrong data-start=\"765\" data-end=\"786\"\u003eOE specifications\u003c\/strong\u003e, thoroughly inspected, pressure tested, and precision machined to deliver dependable performance for stock rebuilds or mild performance applications. Whether you’re replacing failed heads or performing a preventative upgrade, these heads provide a proven solution for long-term durability.\u003c\/p\u003e\n\u003chr data-start=\"1078\" data-end=\"1081\"\u003e\n\u003ch3 data-start=\"1083\" data-end=\"1102\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"1104\" data-end=\"1699\"\u003e\n\u003cli data-start=\"1104\" data-end=\"1157\"\u003e\n\u003cp data-start=\"1106\" data-end=\"1157\"\u003eStock \u003cstrong data-start=\"1112\" data-end=\"1157\"\u003eremanufactured LB7 Duramax cylinder heads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1158\" data-end=\"1238\"\u003e\n\u003cp data-start=\"1160\" data-end=\"1238\"\u003eUpgraded with \u003cstrong data-start=\"1174\" data-end=\"1203\"\u003eTorque Lock injector cups\u003c\/strong\u003e for superior sealing and retention\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1239\" data-end=\"1316\"\u003e\n\u003cp data-start=\"1241\" data-end=\"1316\"\u003eEliminates common \u003cstrong data-start=\"1259\" data-end=\"1316\"\u003eLB7 injector cup failure and coolant intrusion issues\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1317\" data-end=\"1365\"\u003e\n\u003cp data-start=\"1319\" data-end=\"1365\"\u003eFully cleaned, pressure tested, and resurfaced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1366\" data-end=\"1394\"\u003e\n\u003cp data-start=\"1368\" data-end=\"1394\"\u003eDiamond honed valve guides\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1395\" data-end=\"1435\"\u003e\n\u003cp data-start=\"1397\" data-end=\"1435\"\u003eUnshrouded valves for improved airflow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1436\" data-end=\"1489\"\u003e\n\u003cp data-start=\"1438\" data-end=\"1489\"\u003eHigh-strength, heat-treated iron-based valve guides\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1490\" data-end=\"1545\"\u003e\n\u003cp data-start=\"1492\" data-end=\"1545\"\u003ePremium nickel-based, non-magnetic valve seat inserts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1546\" data-end=\"1569\"\u003e\n\u003cp data-start=\"1548\" data-end=\"1569\"\u003eMulti-angle valve job\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1570\" data-end=\"1599\"\u003e\n\u003cp data-start=\"1572\" data-end=\"1599\"\u003eNew valve springs installed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1600\" data-end=\"1638\"\u003e\n\u003cp data-start=\"1602\" data-end=\"1638\"\u003eAssembled and ready for installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1639\" data-end=\"1699\"\u003e\n\u003cp data-start=\"1641\" data-end=\"1699\"\u003eIdeal for \u003cstrong data-start=\"1651\" data-end=\"1699\"\u003estock replacement or mild performance builds\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1701\" data-end=\"1704\"\u003e\n\u003ch3 data-start=\"1706\" data-end=\"1746\"\u003eTorque Lock Injector Cup Upgrade\u003c\/h3\u003e\n\u003cp data-start=\"1748\" data-end=\"2128\"\u003eUnlike factory press-in injector cups or aftermarket cupless head castings, \u003cstrong data-start=\"1824\" data-end=\"1853\"\u003eTorque Lock injector cups\u003c\/strong\u003e are mechanically locked in place to prevent movement under high heat and pressure. This design significantly reduces the risk of injector leaks, combustion gas intrusion, and coolant contamination—making these heads a superior upgrade over standard remanufactured LB7 heads.\u003c\/p\u003e\n\u003chr data-start=\"2130\" data-end=\"2133\"\u003e\n\u003ch3 data-start=\"2135\" data-end=\"2157\"\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul data-start=\"2159\" data-end=\"2298\"\u003e\n\u003cli data-start=\"2159\" data-end=\"2213\"\u003e\n\u003cp data-start=\"2161\" data-end=\"2213\"\u003eLeft and right \u003cstrong data-start=\"2176\" data-end=\"2213\"\u003eremanufactured LB7 cylinder heads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2214\" data-end=\"2259\"\u003e\n\u003cp data-start=\"2216\" data-end=\"2259\"\u003e\u003cstrong data-start=\"2216\" data-end=\"2259\"\u003ePre-installed Torque Lock injector cups\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2260\" data-end=\"2298\"\u003e\n\u003cp data-start=\"2262\" data-end=\"2298\"\u003eFully assembled and ready to install\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2300\" data-end=\"2376\"\u003e\u003cstrong data-start=\"2300\" data-end=\"2317\"\u003eNot Included:\u003c\/strong\u003e\u003cbr data-start=\"2317\" data-end=\"2320\"\u003eGaskets, head bolts, injectors, or installation hardware\u003c\/p\u003e\n\u003chr data-start=\"2378\" data-end=\"2381\"\u003e\n\u003ch3 data-start=\"2383\" data-end=\"2405\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cul data-start=\"2407\" data-end=\"2509\"\u003e\n\u003cli data-start=\"2407\" data-end=\"2442\"\u003e\n\u003cp data-start=\"2409\" data-end=\"2442\"\u003e\u003cstrong data-start=\"2409\" data-end=\"2442\"\u003e2001–2004 GM Duramax LB7 6.6L\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2443\" data-end=\"2480\"\u003e\n\u003cp data-start=\"2445\" data-end=\"2480\"\u003eChevrolet Silverado 2500HD \/ 3500HD\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2481\" data-end=\"2509\"\u003e\n\u003cp data-start=\"2483\" data-end=\"2509\"\u003eGMC Sierra 2500HD \/ 3500HD\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2511\" data-end=\"2514\"\u003e\n\u003ch3 data-start=\"2516\" data-end=\"2555\"\u003eWhy Choose These LB7 Reman Heads?\u003c\/h3\u003e\n\u003cul data-start=\"2557\" data-end=\"2830\"\u003e\n\u003cli data-start=\"2557\" data-end=\"2612\"\u003e\n\u003cp data-start=\"2559\" data-end=\"2612\"\u003eOE-style performance with modern reliability upgrades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2613\" data-end=\"2664\"\u003e\n\u003cp data-start=\"2615\" data-end=\"2664\"\u003eProven solution for \u003cstrong data-start=\"2635\" data-end=\"2664\"\u003eLB7 injector cup failures\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2665\" data-end=\"2727\"\u003e\n\u003cp data-start=\"2667\" data-end=\"2727\"\u003eIdeal for cylinder head replacement or preventative upgrades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2728\" data-end=\"2779\"\u003e\n\u003cp data-start=\"2730\" data-end=\"2779\"\u003eProfessionally remanufactured and quality-checked\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2780\" data-end=\"2830\"\u003e\n\u003cp data-start=\"2782\" data-end=\"2830\"\u003eBuilt for long-term durability and peace of mind\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2832\" data-end=\"2835\"\u003e\n\u003ch3 data-start=\"2837\" data-end=\"2867\"\u003eCore Return Information\u003c\/h3\u003e\n\u003cp data-start=\"2869\" data-end=\"2911\"\u003e\u003cstrong data-start=\"2869\" data-end=\"2911\"\u003eSold as a matched left and right pair.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2913\" data-end=\"3132\"\u003eTo receive full core credit, a \u003cstrong data-start=\"2944\" data-end=\"2989\"\u003egood, reusable pair of LB7 cylinder heads\u003c\/strong\u003e must be returned. Cores must be free of cracks, excessive warping, or severe damage. Core returns are required within \u003cstrong data-start=\"3108\" data-end=\"3119\"\u003e90 days\u003c\/strong\u003e of purchase.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":39952133554310,"sku":"PDM-LB7SH-TL","price":2199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/duramax_2_heads.png?v=1748457738"},{"product_id":"brand-new-lb7-duramax-stock-cylinder-heads-2001-2004","title":"Industrial Injection 2001-2004 LB7 Duramax NEW Premium Stock Plus Cylinder Heads (RH \u0026 LH Set)","description":"\u003ch2\u003e\u003cspan\u003e2001-2004 LB7 Duramax Premium Stock Plus New Cylinder Heads (RH \u0026amp; LH Set)\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRestore factory performance and reliability to your 2001–2004 LB7 Duramax 6.6L with these brand-new Premium Stock Plus cylinder heads. Designed as a direct replacement for factory heads, these new castings eliminate the uncertainty associated with remanufactured cores while delivering the durability, airflow, and performance required for stock and mild performance applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEach cylinder head is precision machined and assembled using premium components to ensure proper sealing, valvetrain stability, and long service life. Featuring brand-new OE-style injector cups pre-installed from the factory, these heads arrive ready for installation and help eliminate the hassle of sourcing and installing injector cups separately. Whether you're replacing damaged cylinder heads or building a fresh engine, these Premium Stock Plus heads provide a dependable foundation for your Duramax.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eBrand-new LB7 Duramax cylinder head castings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBrand-new OE-style injector cups pre-installed\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision machined and assembled\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDiamond honed valve guides\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnshrouded valves for improved airflow\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-strength, heat-treated iron-based valve guides\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium nickel-based, non-magnetic valve seat inserts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMulti-angle valve job\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNew valve springs installed\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAssembled and ready for installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDirect replacement for factory cylinder heads\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for stock replacement or mild performance builds\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePremium Stock Plus Construction\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBuilt from all-new castings, these Premium Stock Plus cylinder heads are engineered to provide exceptional reliability and performance. Each head undergoes precision machining and assembly processes to ensure consistent quality, proper sealing, and optimal airflow.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNew OE-style injector cups are installed during assembly, providing proper injector sealing and coolant isolation while maintaining factory fit and function. Combined with premium valvetrain components and precision machining, these heads are built to deliver years of dependable service.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBy starting with brand-new castings, these heads eliminate concerns associated with used cores, cracks, repairs, or previous heat cycles, providing a fresh foundation for long-term engine durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat's Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eLeft and right new LB7 cylinder heads\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNew OE-style injector cups installed\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFully assembled and ready to install\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eNot Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eGaskets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHead bolts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInjectors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstallation hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e2001–2004 GM Duramax LB7 6.6L\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eChevrolet Silverado 2500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChevrolet Silverado 3500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGMC Sierra 2500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGMC Sierra 3500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose These New LB7 Cylinder Heads?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eBrand-new castings with no core history\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNew OE-style injector cups already installed\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOE-style fit, function, and performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium valvetrain and machining upgrades\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for engine rebuilds and cylinder head replacement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuilt for long-term durability and dependable operation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCore Return Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSold as a matched left and right pair.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTo receive full core credit, a good, reusable pair of LB7 cylinder heads must be returned. Cores must be free of cracks, excessive warping, or severe damage. Core returns are required within 90 days of purchase.\u003c\/span\u003e\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":39952133750918,"sku":"PDM-LB7SHN","price":2499.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/duramax_2_heads.png?v=1748457738"},{"product_id":"industrial-injection-lly-duramax-stock-remanufactured-heads-2004-5-2005","title":"Industrial Injection 2004.5-2005 LLY Duramax Premium Stock Plus Cylinder Heads (RH \u0026 LH Set)","description":"\u003ch2\u003e\u003cspan\u003e2004.5-2005 LLY Duramax Premium Stock Plus Cylinder Heads (RH \u0026amp; LH Set)\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRestore factory performance and long-term reliability to your 2004.5–2005 LLY Duramax 6.6L with these stock remanufactured cylinder heads. Built to OE specifications and professionally remanufactured, these heads are designed to provide dependable performance for stock rebuilds and mild performance applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEach cylinder head is thoroughly inspected, pressure tested, cleaned, and precision machined to ensure proper sealing, airflow, and durability. Whether you're replacing worn or damaged cylinder heads or refreshing your engine during a rebuild, these Premium Stock Plus heads offer a reliable solution built to last.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eStock remanufactured LLY Duramax cylinder heads\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFully cleaned, pressure tested, and resurfaced\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDiamond honed valve guides\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnshrouded valves for improved airflow\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-strength, heat-treated iron-based valve guides\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium nickel-based, non-magnetic valve seat inserts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMulti-angle valve job\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNew valve springs installed\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAssembled and ready for installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for stock replacement or mild performance builds\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePremium Stock Plus Remanufacturing Process\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEvery Premium Stock Plus cylinder head is professionally remanufactured using strict quality control standards. Each casting is thoroughly inspected, pressure tested, resurfaced, and machined to restore proper sealing and performance. Critical valvetrain components are renewed or upgraded as needed to ensure long service life and dependable operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe result is a cylinder head that delivers OE-style performance and reliability while incorporating premium machining processes designed to maximize durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat's Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eLeft and right remanufactured LLY cylinder heads\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFully assembled and ready to install\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eNot Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eGaskets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHead bolts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInjectors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstallation hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e2004.5–2005 GM Duramax LLY 6.6L\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eChevrolet Silverado 2500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChevrolet Silverado 3500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGMC Sierra 2500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGMC Sierra 3500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose These LLY Reman Heads?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eOE-style performance and reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfessionally remanufactured and quality checked\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium machining and valve seat upgrades\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for stock replacement or preventative engine refreshes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuilt for long-term durability and dependable service\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCore Return Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSold as a matched left and right pair.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTo receive full core credit, a good, reusable pair of LLY cylinder heads must be returned. Cores must be free of cracks, excessive warping, or severe damage. Core returns are required within 90 days of purchase.\u003c\/span\u003e\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":39952135815302,"sku":"PDM-LLYSH","price":1749.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/duramax_2_heads.png?v=1748457738"},{"product_id":"industrial-injection-lly-duramax-race-heads-2004-5-2005","title":"Industrial Injection 2004.5-2005 LLY Duramax Ported \u0026 Polished Cylinder Heads (RH \u0026 LH Set)","description":"\u003ch2 data-section-id=\"a7bdr6\" data-start=\"0\" data-end=\"72\"\u003e2004.5-2005 LLY Duramax Ported \u0026amp; Polished Cylinder Heads (RH \u0026amp; LH Set)\u003c\/h2\u003e\n\u003cp data-start=\"74\" data-end=\"429\"\u003eUnlock the full performance potential of your 2004.5–2005 LLY Duramax 6.6L with these Industrial Injection Ported \u0026amp; Polished Cylinder Heads. Designed for high-performance applications, these fully CNC-ported heads deliver increased airflow, and enhanced power capability for racers, sled pullers, and serious diesel enthusiasts.\u003c\/p\u003e\n\u003cp data-start=\"431\" data-end=\"787\"\u003eMachined using Industrial Injection's state-of-the-art 5-axis CNC cylinder head porting technology, each head is precision engineered to maximize airflow consistency across all ports while maintaining exceptional durability. Fully assembled and ready to install, these heads provide the airflow and reliability needed to support demanding horsepower goals.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"789\" data-end=\"804\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"806\" data-end=\"1359\"\u003e\n\u003cli data-section-id=\"8qv7pl\" data-start=\"806\" data-end=\"864\"\u003eFully CNC ported and polished LLY Duramax cylinder heads\u003c\/li\u003e\n\u003cli data-section-id=\"113mh5n\" data-start=\"865\" data-end=\"934\"\u003ePrecision machined using a 5-axis CNC cylinder head porting machine\u003c\/li\u003e\n\u003cli data-section-id=\"1sw8ure\" data-start=\"935\" data-end=\"999\"\u003eCAD\/CAM software-developed port design for maximum consistency\u003c\/li\u003e\n\u003cli data-section-id=\"1ltch6t\" data-start=\"1000\" data-end=\"1028\"\u003eDiamond honed valve guides\u003c\/li\u003e\n\u003cli data-section-id=\"p6vkgd\" data-start=\"1029\" data-end=\"1070\"\u003eUnshrouded valves for increased airflow\u003c\/li\u003e\n\u003cli data-section-id=\"1l15cj4\" data-start=\"1071\" data-end=\"1130\"\u003eHigh-strength alloy, heat-treated iron-based valve guides\u003c\/li\u003e\n\u003cli data-section-id=\"1k9ftue\" data-start=\"1131\" data-end=\"1186\"\u003ePremium nickel-based, non-magnetic valve seat inserts\u003c\/li\u003e\n\u003cli data-section-id=\"15kpiw2\" data-start=\"1187\" data-end=\"1210\"\u003eMulti-angle valve job\u003c\/li\u003e\n\u003cli data-section-id=\"97ah0e\" data-start=\"1211\" data-end=\"1243\"\u003e130 lb valve springs installed\u003c\/li\u003e\n\u003cli data-section-id=\"dke0mb\" data-start=\"1244\" data-end=\"1288\"\u003eFully assembled and ready for installation\u003c\/li\u003e\n\u003cli data-section-id=\"10433si\" data-start=\"1289\" data-end=\"1359\"\u003eDesigned for racing, sled pulling, and high-performance applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1b0444q\" data-start=\"1361\" data-end=\"1395\"\u003eAdvanced CNC Porting Technology\u003c\/h2\u003e\n\u003cp data-start=\"1397\" data-end=\"1673\"\u003eEach cylinder head is machined on Industrial Injection's advanced 5-axis CNC porting equipment utilizing proprietary CAD\/CAM-developed port designs. This process ensures precise port-to-port consistency while significantly improving airflow compared to factory cylinder heads.\u003c\/p\u003e\n\u003cp data-start=\"1675\" data-end=\"1966\"\u003eThe result is increased airflow efficiency, improved combustion characteristics, and enhanced power potential throughout the RPM range. Whether you're building a competition truck or a high-horsepower street setup, these heads provide the airflow necessary to support your performance goals.\u003c\/p\u003e\n\u003ch2 data-section-id=\"w3a6bn\" data-start=\"1968\" data-end=\"1986\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul data-start=\"1988\" data-end=\"2127\"\u003e\n\u003cli data-section-id=\"1nru3s6\" data-start=\"1988\" data-end=\"2038\"\u003eRight-hand LLY ported and polished cylinder head\u003c\/li\u003e\n\u003cli data-section-id=\"1ti3u71\" data-start=\"2039\" data-end=\"2088\"\u003eLeft-hand LLY ported and polished cylinder head\u003c\/li\u003e\n\u003cli data-section-id=\"e4wuim\" data-start=\"2089\" data-end=\"2127\"\u003eFully assembled and ready to install\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1nimoq0\" data-start=\"2129\" data-end=\"2144\"\u003eNot Included\u003c\/h2\u003e\n\u003cul data-start=\"2146\" data-end=\"2213\"\u003e\n\u003cli data-section-id=\"lx4jn8\" data-start=\"2146\" data-end=\"2155\"\u003eGaskets\u003c\/li\u003e\n\u003cli data-section-id=\"h28llq\" data-start=\"2156\" data-end=\"2177\"\u003eHead bolts or studs\u003c\/li\u003e\n\u003cli data-section-id=\"1lu5vrt\" data-start=\"2178\" data-end=\"2189\"\u003eInjectors\u003c\/li\u003e\n\u003cli data-section-id=\"so4k5m\" data-start=\"2190\" data-end=\"2213\"\u003eInstallation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"16q3upg\" data-start=\"2215\" data-end=\"2233\"\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp data-start=\"2235\" data-end=\"2270\"\u003e\u003cstrong data-start=\"2235\" data-end=\"2270\"\u003e2004.5–2005 GM Duramax LLY 6.6L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2272\" data-end=\"2369\"\u003e\n\u003cli data-section-id=\"1wnuqau\" data-start=\"2272\" data-end=\"2300\"\u003eChevrolet Silverado 2500HD\u003c\/li\u003e\n\u003cli data-section-id=\"1usqkuf\" data-start=\"2301\" data-end=\"2329\"\u003eChevrolet Silverado 3500HD\u003c\/li\u003e\n\u003cli data-section-id=\"e3gwhg\" data-start=\"2330\" data-end=\"2349\"\u003eGMC Sierra 2500HD\u003c\/li\u003e\n\u003cli data-section-id=\"c8cr11\" data-start=\"2350\" data-end=\"2369\"\u003eGMC Sierra 3500HD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"15vano\" data-start=\"2371\" data-end=\"2430\"\u003eWhy Choose Industrial Injection Ported \u0026amp; Polished Heads?\u003c\/h2\u003e\n\u003cul data-start=\"2432\" data-end=\"2789\"\u003e\n\u003cli data-section-id=\"1riqutm\" data-start=\"2432\" data-end=\"2486\"\u003eFully CNC ported for maximum airflow and consistency\u003c\/li\u003e\n\u003cli data-section-id=\"sq7zus\" data-start=\"2487\" data-end=\"2548\"\u003eBuilt specifically for racing and sled pulling applications\u003c\/li\u003e\n\u003cli data-section-id=\"a2p070\" data-start=\"2549\" data-end=\"2614\"\u003ePremium valvetrain and seat components for long-term durability\u003c\/li\u003e\n\u003cli data-section-id=\"1vujffl\" data-start=\"2615\" data-end=\"2667\"\u003eIncreased airflow compared to stock cylinder heads\u003c\/li\u003e\n\u003cli data-section-id=\"10ioapl\" data-start=\"2668\" data-end=\"2716\"\u003eReady-to-install assembly saves time and labor\u003c\/li\u003e\n\u003cli data-section-id=\"14hb3ze\" data-start=\"2717\" data-end=\"2789\"\u003eManufactured and assembled by Industrial Injection performance experts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"hqrvaw\" data-start=\"2791\" data-end=\"2817\"\u003eCore Return Information\u003c\/h2\u003e\n\u003cp data-start=\"2819\" data-end=\"2867\"\u003eSold as a matched right-hand and left-hand pair.\u003c\/p\u003e\n\u003cp data-start=\"2869\" data-end=\"3080\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eTo receive full core credit, a good, reusable pair of LLY cylinder heads must be returned. Cores must be free of cracks, excessive warping, or severe damage. Core returns are required within 90 days of purchase.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":39952135913606,"sku":"PDM-LLYRH","price":3995.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/dmax_heads.jpg?v=1773254354"},{"product_id":"industrial-injection-lbz-lmm-duramax-stock-reman-heads-2006-2010","title":"Industrial Injection 2006-2010 LBZ\/LMM Duramax Premium Stock Plus Cylinder Heads (RH \u0026 LH Set)","description":"\u003ch2\u003e\u003cspan\u003e2006-2010 LBZ\/LMM Duramax Premium Stock Plus Cylinder Heads (RH \u0026amp; LH Set)\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRestore factory performance and long-term reliability to your 2006–2010 LBZ or LMM Duramax 6.6L with these stock remanufactured cylinder heads. Built to OE specifications and professionally remanufactured, these heads are designed to provide dependable performance for stock rebuilds and mild performance applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEach cylinder head is thoroughly inspected, pressure tested, cleaned, and precision machined to ensure proper sealing, airflow, and durability. Whether you're replacing worn or damaged cylinder heads or refreshing your engine during a rebuild, these Premium Stock Plus heads offer a reliable solution built to last.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eStock remanufactured LBZ\/LMM Duramax cylinder heads\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFully cleaned, pressure tested, and resurfaced\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDiamond honed valve guides\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnshrouded valves for improved airflow\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-strength, heat-treated iron-based valve guides\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium nickel-based, non-magnetic valve seat inserts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMulti-angle valve job\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNew valve springs installed\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAssembled and ready for installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for stock replacement or mild performance builds\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePremium Stock Plus Remanufacturing Process\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEvery Premium Stock Plus cylinder head is professionally remanufactured using strict quality control standards. Each casting is thoroughly inspected, pressure tested, resurfaced, and machined to restore proper sealing and performance. Critical valvetrain components are renewed or upgraded as needed to ensure long service life and dependable operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe result is a cylinder head that delivers OE-style performance and reliability while incorporating premium machining processes designed to maximize durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat's Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eLeft and right remanufactured LBZ\/LMM cylinder heads\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFully assembled and ready to install\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eNot Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eGaskets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHead bolts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInjectors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstallation hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e2006–2007 GM Duramax LBZ 6.6L\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eChevrolet Silverado 2500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChevrolet Silverado 3500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGMC Sierra 2500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGMC Sierra 3500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e2007.5–2010 GM Duramax LMM 6.6L\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eChevrolet Silverado 2500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChevrolet Silverado 3500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGMC Sierra 2500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGMC Sierra 3500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose These LBZ\/LMM Reman Heads?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eOE-style performance and reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfessionally remanufactured and quality checked\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium machining and valve seat upgrades\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for stock replacement or preventative engine refreshes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuilt for long-term durability and dependable service\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCore Return Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSold as a matched left and right pair.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTo receive full core credit, a good, reusable pair of LBZ or LMM cylinder heads must be returned. Cores must be free of cracks, excessive warping, or severe damage. Core returns are required within 90 days of purchase.\u003c\/span\u003e\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":39952136568966,"sku":"PDM-LBZ\/LMMSH","price":1749.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/duramax_2_heads.png?v=1748457738"},{"product_id":"industrial-injection-lbz-lmm-duramax-race-heads-2006-2010","title":"Industrial Injection 2006-2010 LBZ\/LMM Duramax Ported \u0026 Polished Cylinder Heads (RH \u0026 LH Set)","description":"\u003ch2 data-section-id=\"1u946gh\" data-start=\"0\" data-end=\"74\"\u003e2006-2010 LBZ\/LMM Duramax Ported \u0026amp; Polished Cylinder Heads (RH \u0026amp; LH Set)\u003c\/h2\u003e\n\u003cp data-start=\"76\" data-end=\"453\"\u003eUnlock the full performance potential of your 2006–2010 LBZ or LMM Duramax 6.6L with these Industrial Injection Ported \u0026amp; Polished Cylinder Heads. Designed for high-performance applications, these fully CNC-ported heads deliver increased airflow, and enhanced horsepower capability for racers, sled pullers, and serious diesel performance enthusiasts.\u003c\/p\u003e\n\u003cp data-start=\"455\" data-end=\"857\"\u003eMachined using Industrial Injection's state-of-the-art 5-axis CNC cylinder head porting technology, each head is precision engineered to maximize airflow consistency across all ports while maintaining exceptional durability. Fully assembled and ready to install, these heads provide the airflow and reliability needed to support everything from aggressive street builds to competition-level horsepower.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"859\" data-end=\"874\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"876\" data-end=\"1433\"\u003e\n\u003cli data-section-id=\"z5fxbb\" data-start=\"876\" data-end=\"938\"\u003eFully CNC ported and polished LBZ\/LMM Duramax cylinder heads\u003c\/li\u003e\n\u003cli data-section-id=\"113mh5n\" data-start=\"939\" data-end=\"1008\"\u003ePrecision machined using a 5-axis CNC cylinder head porting machine\u003c\/li\u003e\n\u003cli data-section-id=\"1sw8ure\" data-start=\"1009\" data-end=\"1073\"\u003eCAD\/CAM software-developed port design for maximum consistency\u003c\/li\u003e\n\u003cli data-section-id=\"1ltch6t\" data-start=\"1074\" data-end=\"1102\"\u003eDiamond honed valve guides\u003c\/li\u003e\n\u003cli data-section-id=\"p6vkgd\" data-start=\"1103\" data-end=\"1144\"\u003eUnshrouded valves for increased airflow\u003c\/li\u003e\n\u003cli data-section-id=\"1l15cj4\" data-start=\"1145\" data-end=\"1204\"\u003eHigh-strength alloy, heat-treated iron-based valve guides\u003c\/li\u003e\n\u003cli data-section-id=\"1k9ftue\" data-start=\"1205\" data-end=\"1260\"\u003ePremium nickel-based, non-magnetic valve seat inserts\u003c\/li\u003e\n\u003cli data-section-id=\"15kpiw2\" data-start=\"1261\" data-end=\"1284\"\u003eMulti-angle valve job\u003c\/li\u003e\n\u003cli data-section-id=\"97ah0e\" data-start=\"1285\" data-end=\"1317\"\u003e130 lb valve springs installed\u003c\/li\u003e\n\u003cli data-section-id=\"dke0mb\" data-start=\"1318\" data-end=\"1362\"\u003eFully assembled and ready for installation\u003c\/li\u003e\n\u003cli data-section-id=\"10433si\" data-start=\"1363\" data-end=\"1433\"\u003eDesigned for racing, sled pulling, and high-performance applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1b0444q\" data-start=\"1435\" data-end=\"1469\"\u003eAdvanced CNC Porting Technology\u003c\/h2\u003e\n\u003cp data-start=\"1471\" data-end=\"1747\"\u003eEach cylinder head is machined on Industrial Injection's advanced 5-axis CNC porting equipment utilizing proprietary CAD\/CAM-developed port designs. This process ensures precise port-to-port consistency while significantly improving airflow compared to factory cylinder heads.\u003c\/p\u003e\n\u003cp data-start=\"1749\" data-end=\"2081\"\u003eThe result is increased airflow efficiency, improved combustion characteristics, and enhanced power potential throughout the RPM range. Whether you're building a high-performance street truck, dedicated competition vehicle, or towing rig with elevated power levels, these heads provide the airflow necessary to maximize performance.\u003c\/p\u003e\n\u003ch2 data-section-id=\"w3a6bn\" data-start=\"2083\" data-end=\"2101\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul data-start=\"2103\" data-end=\"2250\"\u003e\n\u003cli data-section-id=\"zf3o3s\" data-start=\"2103\" data-end=\"2157\"\u003eRight-hand LBZ\/LMM ported and polished cylinder head\u003c\/li\u003e\n\u003cli data-section-id=\"19uknjn\" data-start=\"2158\" data-end=\"2211\"\u003eLeft-hand LBZ\/LMM ported and polished cylinder head\u003c\/li\u003e\n\u003cli data-section-id=\"e4wuim\" data-start=\"2212\" data-end=\"2250\"\u003eFully assembled and ready to install\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1nimoq0\" data-start=\"2252\" data-end=\"2267\"\u003eNot Included\u003c\/h2\u003e\n\u003cul data-start=\"2269\" data-end=\"2336\"\u003e\n\u003cli data-section-id=\"lx4jn8\" data-start=\"2269\" data-end=\"2278\"\u003eGaskets\u003c\/li\u003e\n\u003cli data-section-id=\"h28llq\" data-start=\"2279\" data-end=\"2300\"\u003eHead bolts or studs\u003c\/li\u003e\n\u003cli data-section-id=\"1lu5vrt\" data-start=\"2301\" data-end=\"2312\"\u003eInjectors\u003c\/li\u003e\n\u003cli data-section-id=\"so4k5m\" data-start=\"2313\" data-end=\"2336\"\u003eInstallation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"16q3upg\" data-start=\"2338\" data-end=\"2356\"\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp data-start=\"2358\" data-end=\"2391\"\u003e\u003cstrong data-start=\"2358\" data-end=\"2391\"\u003e2006–2007 GM Duramax LBZ 6.6L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2393\" data-end=\"2490\"\u003e\n\u003cli data-section-id=\"1wnuqau\" data-start=\"2393\" data-end=\"2421\"\u003eChevrolet Silverado 2500HD\u003c\/li\u003e\n\u003cli data-section-id=\"1usqkuf\" data-start=\"2422\" data-end=\"2450\"\u003eChevrolet Silverado 3500HD\u003c\/li\u003e\n\u003cli data-section-id=\"e3gwhg\" data-start=\"2451\" data-end=\"2470\"\u003eGMC Sierra 2500HD\u003c\/li\u003e\n\u003cli data-section-id=\"c8cr11\" data-start=\"2471\" data-end=\"2490\"\u003eGMC Sierra 3500HD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2492\" data-end=\"2527\"\u003e\u003cstrong data-start=\"2492\" data-end=\"2527\"\u003e2007.5–2010 GM Duramax LMM 6.6L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2529\" data-end=\"2626\"\u003e\n\u003cli data-section-id=\"1wnuqau\" data-start=\"2529\" data-end=\"2557\"\u003eChevrolet Silverado 2500HD\u003c\/li\u003e\n\u003cli data-section-id=\"1usqkuf\" data-start=\"2558\" data-end=\"2586\"\u003eChevrolet Silverado 3500HD\u003c\/li\u003e\n\u003cli data-section-id=\"e3gwhg\" data-start=\"2587\" data-end=\"2606\"\u003eGMC Sierra 2500HD\u003c\/li\u003e\n\u003cli data-section-id=\"c8cr11\" data-start=\"2607\" data-end=\"2626\"\u003eGMC Sierra 3500HD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"15vano\" data-start=\"2628\" data-end=\"2687\"\u003eWhy Choose Industrial Injection Ported \u0026amp; Polished Heads?\u003c\/h2\u003e\n\u003cul data-start=\"2689\" data-end=\"3046\"\u003e\n\u003cli data-section-id=\"1riqutm\" data-start=\"2689\" data-end=\"2743\"\u003eFully CNC ported for maximum airflow and consistency\u003c\/li\u003e\n\u003cli data-section-id=\"sq7zus\" data-start=\"2744\" data-end=\"2805\"\u003eBuilt specifically for racing and sled pulling applications\u003c\/li\u003e\n\u003cli data-section-id=\"a2p070\" data-start=\"2806\" data-end=\"2871\"\u003ePremium valvetrain and seat components for long-term durability\u003c\/li\u003e\n\u003cli data-section-id=\"1vujffl\" data-start=\"2872\" data-end=\"2924\"\u003eIncreased airflow compared to stock cylinder heads\u003c\/li\u003e\n\u003cli data-section-id=\"10ioapl\" data-start=\"2925\" data-end=\"2973\"\u003eReady-to-install assembly saves time and labor\u003c\/li\u003e\n\u003cli data-section-id=\"14hb3ze\" data-start=\"2974\" data-end=\"3046\"\u003eManufactured and assembled by Industrial Injection performance experts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"hqrvaw\" data-start=\"3048\" data-end=\"3074\"\u003eCore Return Information\u003c\/h2\u003e\n\u003cp data-start=\"3076\" data-end=\"3124\"\u003eSold as a matched right-hand and left-hand pair.\u003c\/p\u003e\n\u003cp data-start=\"3126\" data-end=\"3344\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eTo receive full core credit, a good, reusable pair of LBZ or LMM cylinder heads must be returned. Cores must be free of cracks, excessive warping, or severe damage. Core returns are required within 90 days of purchase.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":39952136732806,"sku":"PDM-LBZ\/LMMRH","price":3995.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/duramax_2_heads.png?v=1748457738"},{"product_id":"industrial-injection-duramax-lml-stock-remanufactured-heads-2011-2016","title":"Industrial Injection 2011-2016 LML Duramax Premium Stock Plus Cylinder Heads (RH \u0026 LH Set)","description":"\u003ch2\u003e\u003cspan\u003e2011-2015 LML Duramax Premium Stock Plus Cylinder Heads (RH \u0026amp; LH Set)\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRestore factory performance and long-term reliability to your 2011–2015 LML Duramax 6.6L with these stock remanufactured cylinder heads. Built to OE specifications and professionally remanufactured, these heads are designed to provide dependable performance for stock rebuilds and mild performance applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEach cylinder head is thoroughly inspected, pressure tested, cleaned, and precision machined to ensure proper sealing, airflow, and durability. Whether you're replacing worn or damaged cylinder heads or refreshing your engine during a rebuild, these Premium Stock Plus heads offer a reliable solution built to last.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eStock remanufactured LML Duramax cylinder heads\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFully cleaned, pressure tested, and resurfaced\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDiamond honed valve guides\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnshrouded valves for improved airflow\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-strength, heat-treated iron-based valve guides\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium nickel-based, non-magnetic valve seat inserts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMulti-angle valve job\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNew valve springs installed\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAssembled and ready for installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for stock replacement or mild performance builds\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePremium Stock Plus Remanufacturing Process\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEvery Premium Stock Plus cylinder head is professionally remanufactured using strict quality control standards. Each casting is thoroughly inspected, pressure tested, resurfaced, and machined to restore proper sealing and performance. Critical valvetrain components are renewed or upgraded as needed to ensure long service life and dependable operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe result is a cylinder head that delivers OE-style performance and reliability while incorporating premium machining processes designed to maximize durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat's Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eLeft and right remanufactured LML cylinder heads\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFully assembled and ready to install\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eNot Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eGaskets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHead bolts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInjectors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstallation hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e2011–2015 GM Duramax LML 6.6L\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eChevrolet Silverado 2500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChevrolet Silverado 3500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGMC Sierra 2500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGMC Sierra 3500HD\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose These LML Reman Heads?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eOE-style performance and reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfessionally remanufactured and quality checked\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium machining and valve seat upgrades\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for stock replacement or preventative engine refreshes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuilt for long-term durability and dependable service\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCore Return Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSold as a matched left and right pair.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTo receive full core credit, a good, reusable pair of LML cylinder heads must be returned. Cores must be free of cracks, excessive warping, or severe damage. Core returns are required within 90 days of purchase.\u003c\/span\u003e\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":39952139649158,"sku":"PDM-LMLSH","price":1749.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/duramax_2_heads.png?v=1748457738"},{"product_id":"industrial-injection-lml-duramax-race-heads-2011-2016","title":"Industrial Injection 2011-2016 LML Duramax Ported \u0026 Polished Cylinder Heads (RH \u0026 LH Set)","description":"\u003ch2 data-section-id=\"ebp1ns\" data-start=\"0\" data-end=\"70\"\u003e2011-2015 LML Duramax Ported \u0026amp; Polished Cylinder Heads (RH \u0026amp; LH Set)\u003c\/h2\u003e\n\u003cp data-start=\"72\" data-end=\"442\"\u003eUnlock the full performance potential of your 2011–2015 LML Duramax 6.6L with these Industrial Injection Ported \u0026amp; Polished Cylinder Heads. Designed for high-performance applications, these fully CNC-ported heads deliver increased airflow, and enhanced horsepower capability for racers, sled pullers, and serious diesel performance enthusiasts.\u003c\/p\u003e\n\u003cp data-start=\"444\" data-end=\"846\"\u003eMachined using Industrial Injection's state-of-the-art 5-axis CNC cylinder head porting technology, each head is precision engineered to maximize airflow consistency across all ports while maintaining exceptional durability. Fully assembled and ready to install, these heads provide the airflow and reliability needed to support everything from aggressive street builds to competition-level horsepower.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"848\" data-end=\"863\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"865\" data-end=\"1418\"\u003e\n\u003cli data-section-id=\"4izvlp\" data-start=\"865\" data-end=\"923\"\u003eFully CNC ported and polished LML Duramax cylinder heads\u003c\/li\u003e\n\u003cli data-section-id=\"113mh5n\" data-start=\"924\" data-end=\"993\"\u003ePrecision machined using a 5-axis CNC cylinder head porting machine\u003c\/li\u003e\n\u003cli data-section-id=\"1sw8ure\" data-start=\"994\" data-end=\"1058\"\u003eCAD\/CAM software-developed port design for maximum consistency\u003c\/li\u003e\n\u003cli data-section-id=\"1ltch6t\" data-start=\"1059\" data-end=\"1087\"\u003eDiamond honed valve guides\u003c\/li\u003e\n\u003cli data-section-id=\"p6vkgd\" data-start=\"1088\" data-end=\"1129\"\u003eUnshrouded valves for increased airflow\u003c\/li\u003e\n\u003cli data-section-id=\"1l15cj4\" data-start=\"1130\" data-end=\"1189\"\u003eHigh-strength alloy, heat-treated iron-based valve guides\u003c\/li\u003e\n\u003cli data-section-id=\"1k9ftue\" data-start=\"1190\" data-end=\"1245\"\u003ePremium nickel-based, non-magnetic valve seat inserts\u003c\/li\u003e\n\u003cli data-section-id=\"15kpiw2\" data-start=\"1246\" data-end=\"1269\"\u003eMulti-angle valve job\u003c\/li\u003e\n\u003cli data-section-id=\"97ah0e\" data-start=\"1270\" data-end=\"1302\"\u003e130 lb valve springs installed\u003c\/li\u003e\n\u003cli data-section-id=\"dke0mb\" data-start=\"1303\" data-end=\"1347\"\u003eFully assembled and ready for installation\u003c\/li\u003e\n\u003cli data-section-id=\"10433si\" data-start=\"1348\" data-end=\"1418\"\u003eDesigned for racing, sled pulling, and high-performance applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1b0444q\" data-start=\"1420\" data-end=\"1454\"\u003eAdvanced CNC Porting Technology\u003c\/h2\u003e\n\u003cp data-start=\"1456\" data-end=\"1732\"\u003eEach cylinder head is machined on Industrial Injection's advanced 5-axis CNC porting equipment utilizing proprietary CAD\/CAM-developed port designs. This process ensures precise port-to-port consistency while significantly improving airflow compared to factory cylinder heads.\u003c\/p\u003e\n\u003cp data-start=\"1734\" data-end=\"2066\"\u003eThe result is increased airflow efficiency, improved combustion characteristics, and enhanced power potential throughout the RPM range. Whether you're building a high-performance street truck, dedicated competition vehicle, or towing rig with elevated power levels, these heads provide the airflow necessary to maximize performance.\u003c\/p\u003e\n\u003ch2 data-section-id=\"w3a6bn\" data-start=\"2068\" data-end=\"2086\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul data-start=\"2088\" data-end=\"2227\"\u003e\n\u003cli data-section-id=\"12301jm\" data-start=\"2088\" data-end=\"2138\"\u003eRight-hand LML ported and polished cylinder head\u003c\/li\u003e\n\u003cli data-section-id=\"82ejc9\" data-start=\"2139\" data-end=\"2188\"\u003eLeft-hand LML ported and polished cylinder head\u003c\/li\u003e\n\u003cli data-section-id=\"e4wuim\" data-start=\"2189\" data-end=\"2227\"\u003eFully assembled and ready to install\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1nimoq0\" data-start=\"2229\" data-end=\"2244\"\u003eNot Included\u003c\/h2\u003e\n\u003cul data-start=\"2246\" data-end=\"2313\"\u003e\n\u003cli data-section-id=\"lx4jn8\" data-start=\"2246\" data-end=\"2255\"\u003eGaskets\u003c\/li\u003e\n\u003cli data-section-id=\"h28llq\" data-start=\"2256\" data-end=\"2277\"\u003eHead bolts or studs\u003c\/li\u003e\n\u003cli data-section-id=\"1lu5vrt\" data-start=\"2278\" data-end=\"2289\"\u003eInjectors\u003c\/li\u003e\n\u003cli data-section-id=\"so4k5m\" data-start=\"2290\" data-end=\"2313\"\u003eInstallation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"16q3upg\" data-start=\"2315\" data-end=\"2333\"\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp data-start=\"2335\" data-end=\"2368\"\u003e\u003cstrong data-start=\"2335\" data-end=\"2368\"\u003e2011–2015 GM Duramax LML 6.6L\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2370\" data-end=\"2467\"\u003e\n\u003cli data-section-id=\"1wnuqau\" data-start=\"2370\" data-end=\"2398\"\u003eChevrolet Silverado 2500HD\u003c\/li\u003e\n\u003cli data-section-id=\"1usqkuf\" data-start=\"2399\" data-end=\"2427\"\u003eChevrolet Silverado 3500HD\u003c\/li\u003e\n\u003cli data-section-id=\"e3gwhg\" data-start=\"2428\" data-end=\"2447\"\u003eGMC Sierra 2500HD\u003c\/li\u003e\n\u003cli data-section-id=\"c8cr11\" data-start=\"2448\" data-end=\"2467\"\u003eGMC Sierra 3500HD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"15vano\" data-start=\"2469\" data-end=\"2528\"\u003eWhy Choose Industrial Injection Ported \u0026amp; Polished Heads?\u003c\/h2\u003e\n\u003cul data-start=\"2530\" data-end=\"2952\"\u003e\n\u003cli data-section-id=\"1riqutm\" data-start=\"2530\" data-end=\"2584\"\u003eFully CNC ported for maximum airflow and consistency\u003c\/li\u003e\n\u003cli data-section-id=\"sq7zus\" data-start=\"2585\" data-end=\"2646\"\u003eBuilt specifically for racing and sled pulling applications\u003c\/li\u003e\n\u003cli data-section-id=\"a2p070\" data-start=\"2647\" data-end=\"2712\"\u003ePremium valvetrain and seat components for long-term durability\u003c\/li\u003e\n\u003cli data-section-id=\"1vujffl\" data-start=\"2713\" data-end=\"2765\"\u003eIncreased airflow compared to stock cylinder heads\u003c\/li\u003e\n\u003cli data-section-id=\"10ioapl\" data-start=\"2766\" data-end=\"2814\"\u003eReady-to-install assembly saves time and labor\u003c\/li\u003e\n\u003cli data-section-id=\"14hb3ze\" data-start=\"2815\" data-end=\"2887\"\u003eManufactured and assembled by Industrial Injection performance experts\u003c\/li\u003e\n\u003cli data-section-id=\"qtoyr\" data-start=\"2888\" data-end=\"2952\"\u003eProven design capable of supporting high-horsepower LML builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"hqrvaw\" data-start=\"2954\" data-end=\"2980\"\u003eCore Return Information\u003c\/h2\u003e\n\u003cp data-start=\"2982\" data-end=\"3030\"\u003eSold as a matched right-hand and left-hand pair.\u003c\/p\u003e\n\u003cp data-start=\"3032\" data-end=\"3243\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eTo receive full core credit, a good, reusable pair of LML cylinder heads must be returned. Cores must be free of cracks, excessive warping, or severe damage. Core returns are required within 90 days of purchase.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":39952139976838,"sku":"PDM-LMLRH","price":3995.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/duramax_2_heads.png?v=1748457738"}],"url":"https:\/\/industrialinjection.com\/collections\/duramax-heads\/pumps.oembed","provider":"Industrial Injection","version":"1.0","type":"link"}